Whirlpool dishwasher Error Code F8

What does F8 mean?

Drain pump running continuously or not draining.

Common causes

• Stuck drain pump
• Float switch stuck
• Control board issue
• Clogged drain path

Diagnostic & testing steps

1. 1. Check float switch moves freely
2. 2. Clean drain filter and sump area
3. 3. Test drain pump motor
4. 4. Check control board relay
5. 5. Inspect drain hose for clogs

Tools required

• Multimeter
• Towels

OEM parts & part numbers

Drain Pump, Float Switch

Part numbers: WPW10348269, WPW10195039

Safety warning

⚠️ Disconnect power before servicing drain pump